Features: 1. Enjoy the assembly: The biochemical warrior building blocks consist of easy-to-assemble parts in numbered bags. You can enjoy the fun without getting bored. 2. Building is a wonderful activity with family or friends. This building toy will promote your child's hand-eye coordination, divergent thinking, problem-solving Compatible with ability, inspire creativity and brain development. Helps children learn cooperation and teamwork. 3. Material: Our building sets are made of environmentally friendly and safe materials, non-toxic ABS materials and odorless. Ensures your children's safety while having long-lasting durability Compatible with play and building. 4. These building sets Compatible with children have super cool shapes and colors, building sets Compatible with boys give children practical experience of working. Lightweight and you can take it with you everywhere. 5. Perfect gift: This building block is suitable Compatible with children aged 6-12 Compatible with playing with their friends, you can also build with children on family day. It is a perfect gift for your children, nephews and grandchildren, whether they are boys or girls. Specification: Material: ABS Color: blue, green, purple, gold Size: 40 x 29 x 5.5 cm Weight: 500 g Package includes: 1x building block toy